EP1639821A4 - Videokonferenzsystem - Google Patents
VideokonferenzsystemInfo
- Publication number
- EP1639821A4 EP1639821A4 EP05702182A EP05702182A EP1639821A4 EP 1639821 A4 EP1639821 A4 EP 1639821A4 EP 05702182 A EP05702182 A EP 05702182A EP 05702182 A EP05702182 A EP 05702182A EP 1639821 A4 EP1639821 A4 EP 1639821A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- video conferencing
- conferencing system
- video
- conferencing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/755,067 US20050151836A1 (en) | 2004-01-09 | 2004-01-09 | Video conferencing system |
PCT/IB2005/000011 WO2005069619A1 (en) | 2004-01-09 | 2005-01-06 | Video conferencing system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1639821A1 EP1639821A1 (de) | 2006-03-29 |
EP1639821A4 true EP1639821A4 (de) | 2007-05-23 |
Family
ID=34739498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05702182A Withdrawn EP1639821A4 (de) | 2004-01-09 | 2005-01-06 | Videokonferenzsystem |
Country Status (3)
Country | Link |
---|---|
US (2) | US20050151836A1 (de) |
EP (1) | EP1639821A4 (de) |
WO (1) | WO2005069619A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7349000B2 (en) * | 2002-04-30 | 2008-03-25 | Tandberg Telecom As | Method and system for display of video device status information |
IL158276A (en) * | 2003-10-02 | 2010-04-29 | Radvision Ltd | Method for dynamically optimizing bandwidth allocation in variable bitrate (multi-rate) conferences |
GB0408457D0 (en) * | 2004-04-15 | 2004-05-19 | Ring 2 Comm Ltd | Various improvements relating to telephone and conference calls between telephony devices |
US7400340B2 (en) * | 2004-11-15 | 2008-07-15 | Starent Networks, Corp. | Data mixer for portable communications devices |
JP4434973B2 (ja) * | 2005-01-24 | 2010-03-17 | 株式会社東芝 | 映像表示装置、映像合成配信装置、プログラム、システム及び方法 |
JP4695474B2 (ja) * | 2005-09-21 | 2011-06-08 | 株式会社東芝 | 合成映像制御装置、合成映像制御方法およびプログラム |
US7932919B2 (en) * | 2006-04-21 | 2011-04-26 | Dell Products L.P. | Virtual ring camera |
KR101234156B1 (ko) * | 2006-06-14 | 2013-02-15 | 삼성전자주식회사 | 항목 그룹화를 이용한 외부입력 리스트 제공방법 및 이를적용한 영상기기 |
KR101405933B1 (ko) * | 2007-07-12 | 2014-06-12 | 엘지전자 주식회사 | 휴대 단말기 및 휴대 단말기의 위치 정보 표시 방법 |
US8477177B2 (en) * | 2007-08-10 | 2013-07-02 | Hewlett-Packard Development Company, L.P. | Video conference system and method |
CN101835019A (zh) * | 2007-09-13 | 2010-09-15 | 株式会社日立制作所 | 传送方法、传送装置、影像设备和显示装置 |
JP4913097B2 (ja) * | 2008-06-16 | 2012-04-11 | 株式会社日立国際電気 | 映像再生方法及び映像再生装置並びに映像配信システム |
US8145770B2 (en) * | 2008-10-31 | 2012-03-27 | Radvision Ltd. | Devices, methods, and media for determining and assigning optimal media characteristics in communications sessions |
US9344396B2 (en) | 2009-03-30 | 2016-05-17 | Avaya Inc. | System and method for persistent multimedia conferencing services |
EP2715972B1 (de) * | 2011-05-31 | 2016-02-24 | Google, Inc. | Stummschaltung von teilnehmern in einer kommunikationssitzung |
EP2679015A4 (de) * | 2011-06-07 | 2014-05-21 | Huawei Tech Co Ltd | Überwachungsvorrichtung und verfahren zur überwachung einer videositzung in einem datennetzwerk |
FR2998995A1 (fr) * | 2012-12-03 | 2014-06-06 | France Telecom | Procede de communication entre plusieurs utilisateurs munis de terminaux de communication, par l'intermediaire d'une espace virtuel de communication |
CN104022941A (zh) * | 2014-06-23 | 2014-09-03 | 国家电网公司 | 一种会议即时通讯***及其实现方法 |
CN106230608A (zh) * | 2016-07-21 | 2016-12-14 | 山东共达信息技术有限公司 | 一种云视声智能交互*** |
CN112118471A (zh) * | 2020-07-21 | 2020-12-22 | 北京博睿维讯科技有限公司 | 一种基于多信源的显示方法、显示装置、多信源共享***及计算机可读存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999012349A1 (en) * | 1997-09-04 | 1999-03-11 | Discovery Communications, Inc. | Apparatus for video access and control over computer network, including image correction |
EP1162806A2 (de) * | 2000-06-08 | 2001-12-12 | International Business Machines Corporation | Gleichzeitiges Beobachtung und/oder Abhören von mehreren übertragenen Multimediadatenströmen durch einem zentralisierten Verarbeitungsraum |
US20030235338A1 (en) * | 2002-06-19 | 2003-12-25 | Meetrix Corporation | Transmission of independently compressed video objects over internet protocol |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US188954A (en) * | 1877-03-27 | Improvement in revolving advertising-cases | ||
US181462A (en) * | 1876-08-22 | Improvement in grain-separators | ||
US103830A (en) * | 1870-06-07 | Improved machine for paring fruit and vegetables | ||
US92444A (en) * | 1869-07-13 | Improvement in feed-rack for addressing-machines | ||
US160810A (en) * | 1875-03-16 | Improvement in barrel-barrows | ||
US131395A (en) * | 1872-09-17 | Improvement in tobacco-presses | ||
US87645A (en) * | 1869-03-09 | Improvement in portable key-hole guards | ||
US114142A (en) * | 1871-04-25 | Improvement in combined heater and condenser | ||
US123488A (en) * | 1872-02-06 | Improvement in fences | ||
US178451A (en) * | 1876-06-06 | Improvement in combined watch-chain bars and pencils | ||
US3656178A (en) * | 1969-09-15 | 1972-04-11 | Research Corp | Data compression and decompression system |
US5315633A (en) * | 1991-12-20 | 1994-05-24 | Unisys Corporation | Digital video switch for video teleconferencing |
US5886744A (en) * | 1995-09-08 | 1999-03-23 | Intel Corporation | Method and apparatus for filtering jitter from motion estimation video data |
JPH09149396A (ja) * | 1995-11-27 | 1997-06-06 | Fujitsu Ltd | 多地点テレビ会議システム |
KR970055857A (ko) * | 1995-12-30 | 1997-07-31 | 김광호 | 디지탈 셀룰라 시스템에서 기지국시스템의 로딩방법 |
US6122259A (en) * | 1996-02-27 | 2000-09-19 | Hitachi, Ltd. | Video conference equipment and multipoint video conference system using the same |
US6091777A (en) * | 1997-09-18 | 2000-07-18 | Cubic Video Technologies, Inc. | Continuously adaptive digital video compression system and method for a web streamer |
US5941951A (en) * | 1997-10-31 | 1999-08-24 | International Business Machines Corporation | Methods for real-time deterministic delivery of multimedia data in a client/server system |
US6731734B1 (en) * | 1999-08-19 | 2004-05-04 | Siemens Information & Communication Networks, Inc. | Apparatus and method for intelligent conference call codec selection |
JP2001069474A (ja) * | 1999-08-25 | 2001-03-16 | Nec Corp | 多地点制御装置及びそれに用いる映像表示方法 |
US6366577B1 (en) * | 1999-11-05 | 2002-04-02 | Mci Worldcom, Inc. | Method for providing IP telephony with QoS using end-to-end RSVP signaling |
US6590604B1 (en) * | 2000-04-07 | 2003-07-08 | Polycom, Inc. | Personal videoconferencing system having distributed processing architecture |
US6603501B1 (en) * | 2000-07-12 | 2003-08-05 | Onscreen24 Corporation | Videoconferencing using distributed processing |
KR100602394B1 (ko) * | 2000-08-15 | 2006-07-20 | 시게이트 테크놀로지 엘엘씨 | 동작 코드용 듀얼 모드 데이터 압축 방법 |
JP4581210B2 (ja) * | 2000-09-29 | 2010-11-17 | 日本電気株式会社 | テレビ会議システム |
US6535240B2 (en) * | 2001-07-16 | 2003-03-18 | Chih-Lung Yang | Method and apparatus for continuously receiving frames from a plurality of video channels and for alternately continuously transmitting to each of a plurality of participants in a video conference individual frames containing information concerning each of said video channels |
-
2004
- 2004-01-09 US US10/755,067 patent/US20050151836A1/en not_active Abandoned
-
2005
- 2005-01-06 WO PCT/IB2005/000011 patent/WO2005069619A1/en not_active Application Discontinuation
- 2005-01-06 EP EP05702182A patent/EP1639821A4/de not_active Withdrawn
-
2006
- 2006-02-01 US US11/346,866 patent/US20060192848A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999012349A1 (en) * | 1997-09-04 | 1999-03-11 | Discovery Communications, Inc. | Apparatus for video access and control over computer network, including image correction |
EP1162806A2 (de) * | 2000-06-08 | 2001-12-12 | International Business Machines Corporation | Gleichzeitiges Beobachtung und/oder Abhören von mehreren übertragenen Multimediadatenströmen durch einem zentralisierten Verarbeitungsraum |
US20030235338A1 (en) * | 2002-06-19 | 2003-12-25 | Meetrix Corporation | Transmission of independently compressed video objects over internet protocol |
Non-Patent Citations (2)
Title |
---|
See also references of WO2005069619A1 * |
WILLEBEEK-LEMAIR M H ET AL: "Distributed video conferencing systems", COMPUTER COMMUNICATIONS, ELSEVIER SCIENCE PUBLISHERS BV, AMSTERDAM, NL, vol. 20, no. 3, May 1997 (1997-05-01), pages 157 - 168, XP004081675, ISSN: 0140-3664 * |
Also Published As
Publication number | Publication date |
---|---|
US20050151836A1 (en) | 2005-07-14 |
WO2005069619A1 (en) | 2005-07-28 |
EP1639821A1 (de) | 2006-03-29 |
US20060192848A1 (en) | 2006-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20060130 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20070425 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20070727 |